[INFO] cloning repository https://github.com/AlexDikelsky/pazzak
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexDikelsky/pazzak" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Fpazzak", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Fpazzak'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04a51d6707d8f4c0b6afad598b7075669c774e65
[INFO] testing AlexDikelsky/pazzak against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexDikelsky%2Fpazzak" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AlexDikelsky/pazzak on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AlexDikelsky/pazzak
[INFO] finished tweaking git repo https://github.com/AlexDikelsky/pazzak
[INFO] tweaked toml for git repo https://github.com/AlexDikelsky/pazzak written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/AlexDikelsky/pazzak already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9b8feffbe8faf5d71442a085094fb273cf230f1879851982323e00d7ca1b5f9
[INFO] running `Command { std: "docker" "start" "-a" "d9b8feffbe8faf5d71442a085094fb273cf230f1879851982323e00d7ca1b5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9b8feffbe8faf5d71442a085094fb273cf230f1879851982323e00d7ca1b5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9b8feffbe8faf5d71442a085094fb273cf230f1879851982323e00d7ca1b5f9", kill_on_drop: false }`
[INFO] [stdout] d9b8feffbe8faf5d71442a085094fb273cf230f1879851982323e00d7ca1b5f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcdda96c1fd704339dec61bd84cc6b1c2128e258dce5634abd8220606c9cff5
[INFO] running `Command { std: "docker" "start" "-a" "9bcdda96c1fd704339dec61bd84cc6b1c2128e258dce5634abd8220606c9cff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling pazaak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/card.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout]    |         ^                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout] 36 +         "| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/game.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |             super::disp_board::disp(p1, p2);;
[INFO] [stdout]    |                                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/player.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         &self.hand[card_num].mark_used();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = &self.hand[card_num].mark_used();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/turn.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     &player.add_card(&card);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = &player.add_card(&card);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "9bcdda96c1fd704339dec61bd84cc6b1c2128e258dce5634abd8220606c9cff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcdda96c1fd704339dec61bd84cc6b1c2128e258dce5634abd8220606c9cff5", kill_on_drop: false }`
[INFO] [stdout] 9bcdda96c1fd704339dec61bd84cc6b1c2128e258dce5634abd8220606c9cff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1399b560f6ff287abb5b3e64d0ca5c37748bf39a56750472fbb98e6b0faf39fb
[INFO] running `Command { std: "docker" "start" "-a" "1399b560f6ff287abb5b3e64d0ca5c37748bf39a56750472fbb98e6b0faf39fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pazaak v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/card.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout]    |         ^                                                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 36 -         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout] 36 +         "| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/game.rs:44:45
[INFO] [stdout]    |
[INFO] [stdout] 44 |             super::disp_board::disp(p1, p2);;
[INFO] [stdout]    |                                             ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/player.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |         &self.hand[card_num].mark_used();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let _ = &self.hand[card_num].mark_used();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]  --> src/turn.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     &player.add_card(&card);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]   |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let _ = &player.add_card(&card);
[INFO] [stdout]   |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "1399b560f6ff287abb5b3e64d0ca5c37748bf39a56750472fbb98e6b0faf39fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1399b560f6ff287abb5b3e64d0ca5c37748bf39a56750472fbb98e6b0faf39fb", kill_on_drop: false }`
[INFO] [stdout] 1399b560f6ff287abb5b3e64d0ca5c37748bf39a56750472fbb98e6b0faf39fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 382c8a5a7bd9ce26f00980ed377919fc020140890338f1952e22ef546de2223e
[INFO] running `Command { std: "docker" "start" "-a" "382c8a5a7bd9ce26f00980ed377919fc020140890338f1952e22ef546de2223e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] 
[INFO] [stderr]   --> src/card.rs:36:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 36 |         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |         ^                                                                          ^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 36 -         ("| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string())
[INFO] [stderr] 36 +         "| ".to_string() + &sign(self.value).to_string() + &x +  &" |".to_string()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/game.rs:44:45
[INFO] [stderr]    |
[INFO] [stderr] 44 |             super::disp_board::disp(p1, p2);;
[INFO] [stderr]    |                                             ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> src/player.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         &self.hand[card_num].mark_used();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let _ = &self.hand[card_num].mark_used();
[INFO] [stderr]    |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]  --> src/turn.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     &player.add_card(&card);
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]   |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let _ = &player.add_card(&card);
[INFO] [stderr]   |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `pazaak` (bin "pazaak" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pazaak-1c48cda598e9bc6e)
[INFO] running `Command { std: "docker" "inspect" "382c8a5a7bd9ce26f00980ed377919fc020140890338f1952e22ef546de2223e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382c8a5a7bd9ce26f00980ed377919fc020140890338f1952e22ef546de2223e", kill_on_drop: false }`
[INFO] [stdout] 382c8a5a7bd9ce26f00980ed377919fc020140890338f1952e22ef546de2223e